45 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			45 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
| const {isUndefined} = require('lodash');
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| const semver = require('semver');
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| const {makeTag, isSameChannel} = require('./utils');
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| 
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| /**
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|  * Last release.
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|  *
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|  * @typedef {Object} LastRelease
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|  * @property {string} version The version number of the last release.
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|  * @property {string} gitHead The Git reference used to make the last release.
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|  * @property {string} gitTag The git tag associated with the last release.
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|  * @property {string} channel The channel on which of the last release was published.
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|  * @property {string} name The name of the last release.
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|  */
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| 
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| /**
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|  * Determine the Git tag and version of the last tagged release.
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|  *
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|  * - Filter out the branch tags that are not valid semantic version
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|  * - Sort the versions
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|  * - Retrive the highest version
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|  *
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|  * @param {Object} context semantic-release context.
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|  * @param {Object} params Function parameters.
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|  * @param {Object} params.before Find only releases with version number lower than this version.
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|  *
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|  * @return {LastRelease} The last tagged release or empty object if none is found.
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|  */
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| module.exports = ({branch, options: {tagFormat}}, {before} = {}) => {
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|   const [{version, gitTag, channels} = {}] = branch.tags
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|     .filter(
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|       (tag) =>
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|         ((branch.type === 'prerelease' && tag.channels.some((channel) => isSameChannel(branch.channel, channel))) ||
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|           !semver.prerelease(tag.version)) &&
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|         (isUndefined(before) || semver.lt(tag.version, before))
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|     )
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|     .sort((a, b) => semver.rcompare(a.version, b.version));
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| 
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|   if (gitTag) {
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|     return {version, gitTag, channels, gitHead: gitTag, name: makeTag(tagFormat, version)};
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|   }
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| 
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|   return {};
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| };
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